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Section 1 / Q 20 in 1000PS
If y ≠ 3 and 3x/y is a prime integer greater than 2, which of the following must be true?
I. x = y
II. y = 1
III x and y are prime integers.
(A) None
(B) I only
(C) II only
(D) III only
(E) I and III
OA is (A)
Can someone explain why I ( x= y) is not true?
Thanks
- by priyasom
Thu Jan 31, 2008 7:46 pm- Forum: Problem Solving
- Topic: Section 1 / Q 20 in 1000PS
- Replies: 6
- Views: 2044
3. A sphere with diameter 6 is inscribed into a squared box. What is the greatest stick that we can put between the sphere and the box? I have attached a 2D view of a sphere in a square box. We can assume that the edges of the square act as tangents to the circle. Then maximum length of a stick that...
- by priyasom
Thu Aug 02, 2007 12:59 am- Forum: Quantitative Reasoning
- Topic: Help on some doubts
- Replies: 3
- Views: 4200